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Finding the Fourth Proportional to 64,646.21, 96,938.51 and 22,521.12

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Solution

The fourth proportional to 64,646.21, 96,938.51 and 22,521.12 is: 33,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646.21 : 96,938.51 = 22,521.12 : x
  2. Step 2: Convert to fraction form
    64,646.21/96,938.51 = 22,521.12/x
  3. Step 3: Cross multiply
    64,646.21x = 96,938.51 × 22,521.12
  4. Step 4: Simplify right side
    64,646.21x = 2,183,163,816.33
  5. Step 5: Solve for x
    x = 2,183,163,816.33/64,646.21
  6. Step 6: Final answer
    x = 33,770.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.